. . . . . . . . . "Battus philenor" . . "Dichelostemma congestum" . . "Di. 2015. Battus philenor nectar plant Dichelostemma congestum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1483786> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .